According to the results, during of the axisymmetry deformation, longitudinal anisotropy and transversal isotropy of polycrystal were obvious with the effective strain increasing.
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2. 在弹性、横观各向同性条件下，计算得出了表征土壤-根系复合体应力-应变关系的本构方程。
The constitutive equations of the soil-root composite, which express the stress-strain relationship, were derived under the hypothesis of isotropy.
Horizontal isotropic elasticity constitutive relation model is taken as orthotropic interface model and used to simulate the interface between horizons of pavement.
Horizontal isotropic elasticity constitutive relation model is taken as orthotropic interface model and used to simulate the interface between horizons of pavement.
